Run the world in 2013

About Year in Review

Year in Review 2012 curates the very best of CNN's content from the past year -- we've sifted, sorted and collated so you don't have to.

Watch the key video: viral hits, exclusive stories, news that mattered.Read opinion from key commentators and catch up on the year's unmissable stories from our correspondents around the world.Vote for your person of the year and we'll reveal the results on TV and online.